65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
/* Copyright (C) 2016 Jeremiah Orians
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* This file is part of stage0.
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*
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* stage0 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* stage0 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with stage0. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include<stdlib.h>
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#define MAX_STRING 4096
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char* postpend_char(char* s, char a)
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{
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int i = 0;
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while(0 != s[i])
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{
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i = i + 1;
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}
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s[i] = a;
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return s;
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}
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char* prepend_char(char a, char* s)
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{
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int hold = a;
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int prev;
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int i = 0;
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do
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{
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prev = hold;
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hold = s[i];
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s[i] = prev;
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i = i + 1;
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} while(0 != hold);
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return s;
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}
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char* prepend_string(char* add, char* base)
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{
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char* ret = calloc(MAX_STRING, sizeof(char));
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int i = 0;
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while(0 != add[i])
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{
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ret[i] = add[i];
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i = i + 1;
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}
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int j = 0;
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while(0 != base[j])
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{
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ret[i] = base[j];
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i = i + 1;
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j = j + 1;
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}
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return ret;
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}
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